public class J1duandian {
    static int blood = 100;
    public static void main(String[] args) {
        //debug  delete bug虫子
        int num = 77;
        int a = 2;
        a++;
        a++;
        System.out.println(a);//4
        f1();
        a++;
        a++;
        System.out.println(a);
    }

    static void f1(){
        int m = 5;
        m--;
        m--;
        System.out.println("m = " + m);
    }
}
